Data.Currency.Pretty

Pretty print monetary amounts like:

• $ 34.50
• USD 3,456.29
• € 32 433 938.23

Using default printing settings

>>> prettyPrint (Amount USD 2342.2)
"USD 2,342.20"
>>> prettyPrint (Amount EUR 45827.346)
"EUR 45,827.35"

Using custom printing settings

>>> prettyPrintWith (defaultConfig { useCurrencySymbol = True }) (Amount USD 2342.2)
"$ 2,342.20"
>>> prettyPrintWith (defaultConfig { useCurrencySymbol = True }) (Amount EUR 2342.2)
"€ 2,342.20"
>>> prettyPrintWith (defaultConfig { showDecimals = False }) (Amount USD 25.50)
"USD 25"

For more printing settings see PrettyConfig

Pretty printing

prettyPrint :: Currency c => Amount c -> String

Pretty print a monetary amount using defaultConfig

prettyPrintWith :: Currency c => PrettyConfig -> Amount c -> String

Pretty print a monetary amount with a custom PrettyConfig configuration

Configuration

data PrettyConfig

Constructors

PrettyConfig

Fields

• showDecimals :: Bool
• compactFourDigitAmounts :: Bool

  Print four digits amounts as USD 1000,00 instead of USD 1,000.00

• useCurrencySymbol :: Bool

  Replace the currency ISO code with its symbol to produce $ 23.50 instead of USD 23.50

• suffixIsoCode :: Bool

  Use the currency ISO code as suffix to produce 23.50 USD instead of USD 23.50

• largeAmountSeparator :: Char
• decimalSeparator :: Char

Instances

Show PrettyConfig

Methods

showsPrec :: Int -> PrettyConfig -> ShowS

show :: PrettyConfig -> String

showList :: [PrettyConfig] -> ShowS

defaultConfig :: PrettyConfig

Default PrettyConfig used in prettyPrint

• Show decimals
• Compact four digit amounts
• Use ISO code
• Separate large amounts with comma
• Separate decimals with dot

module Data.Currency.Amounts